Home / 12,079,714.64-18,117,232.54-4,693,749.55

Finding the Fourth Proportional to 12,079,714.64, 18,117,232.54 and 4,693,749.55

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Solution

The fourth proportional to 12,079,714.64, 18,117,232.54 and 4,693,749.55 is: 7,039,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,714.64 : 18,117,232.54 = 4,693,749.55 : x
  2. Step 2: Convert to fraction form
    12,079,714.64/18,117,232.54 = 4,693,749.55/x
  3. Step 3: Cross multiply
    12,079,714.64x = 18,117,232.54 × 4,693,749.55
  4. Step 4: Simplify right side
    12,079,714.64x = 85,037,752,024,842.92
  5. Step 5: Solve for x
    x = 85,037,752,024,842.92/12,079,714.64
  6. Step 6: Final answer
    x = 7,039,715.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.